Tempus AI Shares Dip 0.68% as $580M Volume Ranks 202nd Amid $81M Acquisition and Insider Selling Fears
. 17, 2025, , ranking 202nd in market activity. . The deal, announced earlier in August, aims to enhance Tempus’s AI-driven healthcare solutions but raised questions about short-term valuation pressures.
Insider selling activity also weighed on sentiment. Multiple executives, including Chief Executive Officer, , signaling potential uncertainty about near-term performance. The sell-offs occurred alongside mixed analyst reactions, , while others highlighted risks from high short-interest levels and pending regulatory hurdles.
Despite the acquisition’s strategic value, market participants remain cautious. . , however, , .
To run this back-test accurately I need to clarify a few practical details: 1. Universe definition • Which market should we scan each day to pick the “top-500 by trading volume” – e.g. all U.S.–listed common stocks (NYSE + NASDAQ), or another universe? • Should ADRs, ETFs, preferred shares, etcETC--. be included or excluded? 2. Re-balancing mechanicsMCHB-- • Entry price: day-t close or next day open? • Exit price after the 1-day hold: next-day close or next-day open? • Should transaction costs (commissions, slippage) be included? If yes, what assumptions? 3. Weighting scheme • Equal-weighted (each of the 500 names gets 0.2% of the portfolio) or volume-proportional / dollar-volume-proportional weights? 4. Cash handling • Is overnight cash (while positions are closed) assumed to earn zero return, or should we include a cash yield?

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