KEY POINTS
  • CNBC's Jim Cramer breaks down how the Fed was the driving force behind the December slump.
  • The "Mad Money" host also sits down with the CEOs of Carbon and ADP.
  • In the lightning round, Cramer's callers impress him with their stock picks.

Many market commentators will try to explain why the stock market kicked off 2019 with the best January in decades, but CNBC's Jim Cramer stressed on Friday that the move wasn't tied to historical patterns or the calendar.

"You know why stocks had such a good start this year? For the same reason they had such a bad end last year: our Federal Reserve chairman," Cramer said on "Mad Money."