Ally Financial Inc. ALLY is slated to report third-quarter 2021 results on Oct 21, before the opening bell. Its earnings and revenues in the to-be-reported quarter are expected to have increased on a year-over-year basis.In the last reported quarter, the company’s earnings surpassed the Zacks Consensus Estimate. Results benefited from growth in revenues and provision benefits, partly offset by a rise in expenses.Ally Financial has an impressive earnings surprise history. Its earnings surpassed the Zacks Consensus Estimate in each of the trailing four quarters, the average beat being 63.4%.Key Estimates for Q3The Zacks Consensus Estimate for total financing revenues and other interest income is pegged at $2.22 billion, suggesting 4.6% growth sequentially.Looking at the fee income components, the consensus estimate for insurance premiums and service revenues earned of $282 million suggests a rise of 1.4% sequentially. The Zacks Consensus Estimate for net gain on mortgage and automotive loans of $13.50 million indicates a decline of 28.9% from the previous quarter.The consensus estimate for net other gains on investments is pegged at $56 million, indicating a 13.8% sequential fall. The consensus estimate for net other income of $144 million suggests a 42.2% decline.Thus, due to an anticipated decline in almost all fee income components, total non-interest income is expected to have fallen in the quarter. The Zacks Consensus Estimate for total other revenues is pegged at $492 million, suggesting a decline of 8.6% sequentially.Coming to expenses, Ally Financial has been witnessing a persistent rise in expenses over the past several quarters. As it launches products and seeks to expand into newer areas of operations; overall costs are likely to have been elevated in the third quarter as well.Earnings WhispersOur proven model shows that Ally Financial does not have the right combination of the two key ingredients — a positive Earnings ESP and Zacks Rank #3 (Hold) or better — to increase the odds of an earnings beat this time around.You can uncover the best stocks to buy or sell before they’re reported with our Earnings ESP Filter.Earnings ESP: The Earnings ESP for Ally Financial is -3.01%.Zacks Rank: The company currently carries a Zacks Rank #2 (Buy).The Zacks Consensus Estimate for the company’s third-quarter earnings is pegged at $1.92, which has been revised 1.6% upward over the past seven days. The figure indicates a rise of 53.6% from the year-ago quarter’s reported number.The consensus estimate for sales is pegged at $2.03 billion, suggesting a year-over-year rise of 20.3%.Ally Financial Inc. Price and EPS Surprise Ally Financial Inc. price-eps-surprise | Ally Financial Inc. QuoteStocks That Warrant a LookHere are some finance stocks that you may want to consider, as according to our model, these have the right combination of elements to post an earnings beat in their upcoming releases.Fifth Third Bancorp FITB is slated to report quarterly earnings on Oct 19. The company, which carries a Zacks Rank #2 at present, has an Earnings ESP of +0.46%.BankUnited, Inc. BKU is slated to report quarterly results on Oct 21. The company currently has an Earnings ESP of +1.90% and a Zacks Rank of 3. You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.Capital One Financial Corporation COF is slated to report quarterly earnings on Oct 26. The company, which carries a Zacks Rank of 2 at present, has an Earnings ESP of +5.18%. Time to Invest in Legal Marijuana If you’re looking for big gains, there couldn’t be a better time to get in on a young industry primed to skyrocket from $17.7 billion back in 2019 to an expected $73.6 billion by 2027. After a clean sweep of 6 election referendums in 5 states, pot is now legal in 36 states plus D.C. Federal legalization is expected soon and that could be a still greater bonanza for investors. Even before the latest wave of legalization, Zacks Investment Research has recommended pot stocks that have shot up as high as +285.9%. You’re invited to check out Zacks’ Marijuana Moneymakers: An Investor’s Guide. It features a timely Watch List of pot stocks and ETFs with exceptional growth potential.Today, Download Marijuana Moneymakers FREE >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Fifth Third Bancorp (FITB): Free Stock Analysis Report Capital One Financial Corporation (COF): Free Stock Analysis Report BankUnited, Inc. (BKU): Free Stock Analysis Report Ally Financial Inc. (ALLY): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research