CEOs and founders of tech's biggest names lost $61 billion during the stock market's plunge in October - here's who got hit hard

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Amazon CEO Jeff Bezos

October was a rough month for billionaires in the tech sector, who saw their net worth plummet as stocks took a hammering.

According to Bloomberg data, the CEOs and founders of the most popular tech companies "FAANG+BAT" lost $61 billion in October.

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The tech-heavy Nasdaq index plunged 9.2%, posting its worst month since the financial crisis.

And among the hardest hit were the "FAANG+BAT" stocks - Facebook (-7.7%), Apple (-3.1%), Amazon (-20.2%) Netflix (-19.3%), Google (-9.8%), Baidu (-16.9%), Alibaba (-13.6%) and Tencent (-14.1% in Hong Kong).

The list below provides details of the estimated net worth of some of tech's richest CEOs and founders: