The Monday Effect: A Stock Market MysteryThe Monday Effect: A Stock Market Mystery The Monday Effect is a market phenomenon where stock prices take a hit on Mondays, more than on any other day of the weekFrom Wall Street to Dalal Street, the Monday dip isn’t just local—it’s been seen in markets around the globeExperts believe it’s due to investor anxiety, bad weekend news, and pessimism building up before the markets open on MondayStudies have shown that average returns are lower (even negative) on Mondays, especially in the first trading hourIn recent years, the Monday Effect has weakened, thanks to globalization, 24/7 news, and after-hours tradingLong-term investors usually ignore it. But short-term traders sometimes avoid making trades early Monday to sidestep the dipWhile not a guaranteed rule, the Monday Effect is a fascinating market quirk worth knowing, especially if you trade actively!