I'm Melissa Lee, and this is Fast Money,

tonight's Trader Line of Guaidami,

Tim Seymour, Karen Feynerman, and Dan Nathan.

Tonight on Fast, we're charting the sell-off

tech stocks crashing back to Earth today.

We'll dive into the chart to see if there is more trouble ahead.

Plus, we're following new developments in the wake

of that massive hack attack on the nation's largest

petroleum pipeline.

One-top cybersecurity analyst calling it

a fully preventable failure.

He'll tell us which companies are the best technology

to prevent something like this from happening again.

And we're all over the after-resaction.

It shares a roadblocks and Simon property group

both stocks on the move on results.

We'll bring it in numbers.

But we start off with a bloodbath for big tech,

the Nasak plunging to and a half percent today

for its biggest loss since mid-March.

The selling widespread across technology

and intensifying into the close

...