$GameStop (GME.US)$ options market popped, tracking gains in the underlying stock after meme stock guru Keith Gill, known as "DeepF------Value" on Reddit posted on the social media platform his holdings. $AMC Entertainment (AMC.US)$'s options trading also surged.
The post on Reddit's /r/Superstonk forum showed a screenshot of a position of 5 million GameStop shares, which was worth $115.7 million. It also had call op...

$Berkshire Hathaway-A (BRK.A.US)$ is due to report first quarter results Saturday, opening a window into the financial performance of the conglomerate led by billionaire Warren Buffett -- and potentially an update on its investment portfolio that's closely watched by investors seeking to replicate its success.
Investors could also be looking for clues whether $Apple (AAPL.US)$'s recent share slump has shaken the confiden...

Investors with a lot of money to spend have taken a bearish stance on $Zscaler (ZS.US)$, Benzinga reported, citing 11 uncommon options trades for the stock. The trades signal 81% were leaning bearish while 18% were bullish, according to the report. Seven of them were puts, for a total amount of $352,274, and four were calls, for a total amount of $406,006.
The volume and open interest data on the contracts signal the big playe...

If you're curious whether the $Alphabet-A (GOOGL.US)$ options market mirrored the 10% surge in the stock Friday, here's a snip of the action in calls that expired today.
And there's a window into the action for contracts expiring next week.
To sum up, 740,640 calls changed hands, more than double the 274,750 puts.
And if you're curious whether big money is jumping in, here's what the data is showing.
Disclaimer: Options trading entails significa...