Jacobs Stock Photography Ltd/DigitalVision via Getty Images Last week, Chinese electric vehicle maker NIO (NYSE:NIO) reported its second quarter results. While the company missed Q2 revenue estimates, it did make some progress on the gross margin front, and guidance for the current quarter was decent. Things are starting to finally look up for the company after a couple of tough years, which has me raising my rating on the stock, but I'm not quite ready to fully buy in just yet. Previous coverage on the ...