Earlier quoted context omitted.
So why did Google stock increase massively since about when Gemini 2.5 Pro was released, their first competitive model?
That’s not evidence of anything in and of itself. RIMs stock price was at its highest in 2009 two years after the iPhone came out.
It seems that Blackberry's market share of new phone sales peaked at 20% in 2009. So I'm not sure if it's coincidence, but it looks like the market actually did a pretty good job of pricing in the iphone/android risk well before it was strongly reflected in sales.