Middle East and Fed meeting top investor worries
Here what investors face this week after Friday's big loss.

When stocks sell off abruptly, as they did on Friday, many investors start thinking there may be a bargain and look to buy
Buying the dip often works. It worked big-time after the 10% sell-off of the Standard & Poor's 500 Index after President Trump released his tariff plan on April 2. Through Friday, the index is up 23.6% from its April low of 4,835.04.