Last month, the $Nikkei 225 (.N225.JP)$reached its peak from 1989, with global investors flocking to Japan's largest corporations, motivated by better returns to shareholders, the depreciating yen, and surging corporate earnings.
The Nikkei 225's 40,000 is certainly a key psychological level, which could offer some resistance for the index and bring volatility," said Charu Chanana, strategist at Saxo Capital Markets based in Singap...

$Micron Technology (MU.US)$ put options volume jumped Thursday as the stock headed for its worst slump since the global pandemic after the semiconductor company's earnings and revenue outlook missed analysts' estimates.
The stock tumbled almost 17% to $8643 at 1:30 p.m., boosting the appeal of put options that can protect holders against further declines. More than 316,000 put options were traded so far across 19 expiration...

$MicroStrategy (MSTR.US)$ call options are slipping Monday as the stock dips, weighed down by declining $Bitcoin (BTC.CC)$ prices.
Call options that give the holders the right to buy MicroStrategy shares at $400 by Friday attracted the heaviest volume with 8,040 contracts changing hands as of 12:55 p.m. in New York. Holders are unwinding their positions as the decline in the share price lower the odds that the contract wi...