Trader Brian Jones on Twitter: "We made so much money on this greatest rally of all time. That said. Time for me to be careful. I'm afraid that around this S&P 2600 we could stall top out. So I'm back in cash." / Twitter

We made so much money on this greatest rally of all time. That said. Time for me to be careful. I'm afraid that around this S&P 2600 we could stall top out. So I'm back in cash.