Today's biggest winners and losers in the stock market, a look at the notable movers:
On this episode of Stock Movers:

- Marvell Technology this week announced plans to acquire Lumentum Holdings at a valuation of $115 billion. Shares of Lumentum and Marvell were on pace for historically poor weekly performances, with Lumentum declining 37% and Marvell falling more than 29% by midday Friday. The selloff has called into question the valuation of Marvell's all-stock offer for Lumentum, with Lumentum stock closing 55% below the implied valuation of $1,132 per share.

- CleanSpark Inc. stock surged by over 11% on Tuesday alongside a technical rebound and a cryptocurrency relief rally lifting Bitcoin. The company faces its next estimated earnings report on Nov. 24, with consensus forecasts projecting an earnings loss of 24 cents per stock on estimated revenue of $133.58 million.

- AppLovin (APP) shares this week were up 34% despite a broader tech selloff after the company issued third-quarter results that topped estimates and issued a fourth-quarter outlook above expectations.