Institutional buying activity has risen steadily, aligning with positive earnings revisions in the edtech sector. With an impressive externally audited track record, our proprietary stock rating tool -- the Zacks Rank -- is a more conclusive indicator of a stock's near-term price performance, as it effectively harnesses the power of earnings estimate revisions. The size of the recent change in the consensus estimate, along with three other factors related to earnings estimates, has resulted in a Zacks Rank #1 (Strong Buy) for Duolingo. Duolingo, Inc. ( NASDAQ:DUOL - Get Free Report ) gapped up before the market opened on Thursday . The stock had previously closed at $285.91, but opened at $296.22. Duolingo shares last traded at $298.92, with a volume of 164,047 shares traded. Duol stock price stability near $240 suggests investors are pricing in consistent double-digit growth for