Stocks take a steep loss to end a four-day winning streak.
Stocks surge to their fourth weekly gain in a row.
Though reports were conflicting, U.S. markets still responded positively.
Goldman Sachs has its best day in 10 years.
Health care companies also see uptick.
But major indexes avoid big losses they took in late 2018 when investors worried about global economy.
Welltower investors profited, but 16 of 17 area firms saw share prices slide in 2018.
Investors stepping back to evaluate week’s gains.
Uneven trading, but ends with fifth straight day of gains; Macy’s nosedives.
It's the longest winning streak since September.