Indian stock markets closed slightly lower on the weekly expiry day, influenced by mixed signals and analyst caution. Experts suggest a sell-on-rise strategy until the Nifty reclaims 26,000, with a potential decline to 25,400 if the 100-day EMA near 25,600 is breached. Several companies, including Infosys and HDFC AMC, are set to announce their third-quarter results, impacting individual stock performance. Larsen & Toubro also issued clarifications regarding oil project tenders.