The takeaway, at least from a technical standpoint, is that Grok 4 is now firmly in frontier-model territory. That’s a meaningful shift for xAI, which just months ago was primarily known for its ...

We came across a bullish thesis on United Parcel Service on Pellom Value Investments’s Substack by Tyler Pellom. As of 1st ...

We came across a bullish thesis on James Hardie Industries plc on Directionally Correct Research’s Substack by Will Powers.

After making one of the posts, Grok walked back the comments, saying it was “an unacceptable error from an earlier model ...