Stocks that moved substantially or traded heavily on Thursday:
Facebook Inc., down $3.20 to $170.17
The company's data-sharing practices are under criminal investigation, according to media reports.
Tailored Brands Inc., down $2.94 to $8.75
The owner of Men's Wearhouse gave investors a surprisingly weak first-quarter profit forecast after reporting mixed fourth-quarter results.
Semtech Corp., down $3.52 to $51.98
The semiconductor products maker issued a weak profit forecast, citing slowing demand in China.
Dollar General Corp., down $9.04 to $111.64
The discount store operator's fourth-quarter profit fell short of forecasts and it gave a weak forecast.
Cloudera Inc., down $2.90 to $11.71
The software company reported a wider-than-expected fourth-quarter loss and offered a weak forecast.
MongoDB Inc., up $26.68 to $130.94
The database platform company blew away Wall Street's fourth-quarter earnings expectations and gave investors a strong outlook.
General Electric Co., up 28 cents to $10.30
Investors brushed off a weak profit forecast from the industrial conglomerate after it warned about a tough 2019.
Apple Inc., up $2.02 to $183.73
The iPhone maker led the technology sector and helped pull up the broader market.
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