Busy earnings week in both Europe and the US. Today's earnings include: Caterpillar Inc., Atlas, Cielo, Celanese Corp, S-Oil Corp. N.B. of the 112 companies in the S&P500 that have reported earnings to date, for Q4 2018, 72.3% reported > analyst expectations and 24.1% < analyst expectations.

European Opening Calls: European shares are called to open down across the board.

"Stay wary, alert and very, very nimble…