$Solowin (SWIN.US)$ Can anyone explain why the sudden spike and dip?

$Power & Digital Infrastructure Acquisition II Corp (XPDB.US)$
25.10

$Graphite Bio (GRPH.US)$  Let's get paid

Investors are piling on bullish wagers on $Arm Holdings (ARM.US)$ as the stock extends its meteoric rise that was driven by better-than-expected earnings for the company that designs chips used in almost all of the world's smartphones.
Call options that give holders the right to buy Arm stock at $150 by Feb. 16 jumped almost five-fold on Monday as the stock rallied a further 26%, almost doubling its value in the past f...