Market Insider

This is what could spook stocks on Friday the 13th

Beware Friday the 13th markets?
Oil's steep loss
'Fed signaling a mid-December takeoff'
Bull market to continue with stronger dollar: Pro

Markets could stress over the price of oil Friday, as investors also watch October's retail sales for any new signals about the health of the consumer.

A continuing slide in oil prices took a bite out of stocks Thursday, and energy traders are watching to see if U.S. crude futures retest August lows of $37.75. West Texas Intermediate oil futures fell 2.8 percent Thursday to $41.75 per barrel, the worst performance since late August. WTI is now down 11 percent since the start of the month.

Falling oil made a nervous stock market even more anxious Thursday, and the Dow fell 1.4 percent, its worst loss since Sept. 28. The fell 1.4 percent to 2,045.