Stocks @ Night is a daily newsletter delivered after hours, giving you a first look at tomorrow and last look at today. Sign up for free to receive it directly in your inbox. Here's what CNBC TV's producers were watching as the major averages climbed on Monday, and what's on the radar for the next session. Meta Platforms' up streak The stock has now been up 16 straight days. That's a lot. Going back to Jan. 20, Meta is up 17%. Tesla is down 17% in that time frame. META 1M mountain Meta Platforms shares in the past month China…