A hotter-than-expected December jobs report sent the Dow Jones Industrial Average tumbling by more than 600 points (1.5%) on Friday morning as U.S. Treasury yields continued to rise and inflation concerns took center stage. Most sectors struggled, including financials.Shares of Wells Fargo (WFC -2.73%) were trading 2.6% lower as of 11:46 a.m. ET, while investment bank Jefferies Financial (JEF -12.02%) was off by 11.4% and private equity giant Blackstone (BX -4.77%) was down by roughly 5%.Yields, jobs, and y ...