Wall Street on Friday suffered its biggest weekly retreat since the peak of the COVID-19 pandemic collapse in 2020. The panic was sparked by U.S. President Donald Trump's sweeping reciprocal tariffs announcement.

The tech-heavy Nasdaq 100 index (NDX) slid -9.77% for the week to end in bear market territory. 

Here are the top 10 Nasdaq 100 losers of the week:

1. Micron Technology (NASDAQ:MU); weekly decline -26.8%, Quant rating Buy.
2. Microchip Technology (NASDAQ:MCHP); weekly decline -26.5%, Quant rating Sell.
3. GE HealthCare Technologies (NASDAQ:GEHC); weekly decline -24.4%, Quant rating Hold.
4. Warner Bros. Discovery (NASDAQ:WBD); weekly decline -22.2%, Quant rating Hold.
5. Diamondback Energy (NASDAQ:FANG); weekly decline -21.7%, Quant rating Hold.
6. Marvell Technology (NASDAQ:MRVL); weekly decline -20.3%, Quant rating Hold.
7. AppLovin (NASDAQ:APP); weekly decline -19.5%, Quant rating Hold.
8. Arm (NASDAQ:ARM); weekly decline -18.6%, Quant rating Hold. 
9. Lam Research (NASDAQ:LRCX); weekly decline -18.6%, Quant rating Hold.
10. Analog Devices (NASDAQ:ADI); weekly decline -18.3%, Quant rating Hold.           

Meanwhile, turning to the gainers, only four of the Nasdaq 100's constituents turned in a positive week:

1. Ross Stores (NASDAQ:ROST); weekly advance +3.9%, Quant rating Hold.
2. Strategy (NASDAQ:MSTR); weekly advance +1.5%, Quant rating Hold. 
3. Exelon (NASDAQ:EXC); weekly advance +1.4%, Quant rating Strong Buy.
4. Keurig Dr Pepper (NASDAQ:KDP); weekly advance +0.2%, Quant rating Buy.     

For reference, Seeking Alpha's Quant system consistently outperforms the S&P (SP500), driven by powerful computer processing and SA's special 'Quantamental' analysis. It awards grades to stocks based on collective value, growth, profitability, earnings per share revisions, and price momentum metrics.

Here are some exchange-traded funds that track the Nasdaq: (NASDAQ:QQQ), (NYSEARCA:QLD), (NASDAQ:TQQQ), (NYSEARCA:QID), and (NASDAQ:SQQQ).