MongoDB (MDB) stock drops 20% after mixed FY2027 guidance despite strong earnings, Atlas growth and customer adds.

Investors should ignore even big market drops: The S&P 500 fell by 1% or more on 1,001 days since 1996, an analysis by Morningstar Direct found.

Vanguard S&P 500 ETF offers low-cost diversified investment with a 0.03% expense ratio. Vanguard High Dividend Yield ETF holds 566 stocks, offering strong long-term returns with less volatility.

SPDR Dow Jones ETF replicates Dow with 0.16% expenses and a slight performance lag. This ETF differs from S&P 500 ETFs, which usually have lower expense ratios. Dow Jones ETF holds blue chip stocks, ...