Lumentum Shares Drop 1.62% on $690M Volume Ranking 265th as Sector Splits on 800G Demand

. 19, . equities. The decline followed mixed signals from capital spending trends in optical communications infrastructure, as recent client conversations indicated delayed deployment timelines for 800G coherent transceivers in data center interconnect markets. Analyst notes highlighted divergent demand patterns between North American cloud providers and European telco segments, with the former showing cautious capacity expansion while the latter accelerated 5G backhaul investments.

Portfolio managers observed a technical sell-off triggered by short-term overbought conditions in the stock's 14-day RSI indicator, . . , though no major share repurchase programs were announced during the period.

To run this back-test rigorously I need to confirm a few implementation details: 1. Universe • Do you want all U.S.–listed common stocks (NYSE + NASDAQ) considered each day, or a specific universe such as the S&P 500 constituents? 2. Signal timing • The usual convention is: – Buy at today’s close when a stock ranks in the daily top-500 by dollar volume. – Sell at the next trading day’s close (1-day holding period). • Is this what you have in mind, or would you prefer buy at next day’s open and sell at that day’s close? 3. Weighting & portfolio return • Equal-weight each stock that qualifies on the entry date (default), or volume-weight / market-cap-weight? • Results will be shown as the aggregate portfolio return (not per-stock). Once I have these details I can generate the data-retrieval plan and run the back-test from 2022-01-03 to today.