Shares of cybersecurity firm SentinelOne Inc (NYSE:S) are brushing off a bull note from Canaccord Genuity, last seen down 0.1% at $17.20. The analyst upgraded S to "buy" from "hold," saying the stock's recent sell-off was "overdone" and marking it as a long-term winner. Canaccord Genuity did, however, cut its price target on the stock to $23 from $28. What's more, Needham and Wedbush yesterday slashed their price objectives to $25 and $20, respectively. More price-target cuts could be on the way too, consid ...