Even well into his 90s, Warren Buffett still commands the respect of the investing community. Many investors watch the Berkshire Hathaway (NYSE: BRK.A) (NYSE: BRK.B) leader's every move when it comes to stock market decisions, and Buffett is never shy about making aggressive moves when it suits him.

The most recent disclosures from Berkshire regarding its stock portfolio included a new position in a tech stock, Taiwan Semiconductor Manufacturing (NYSE: TSM). Over the years, Buffett  has at times expressed a reluctance to invest in tech stocks, considering the industry to be outside his circle of maximum competence as an investor.

Nevertheless, Taiwan Semi isn't the first tech stock to make Berkshire's portfolio, and it's clear from his past choices that there are certain attributes Buffett seeks out in adding technology-focused companies to the list. Those same things can help you when you're looking to invest in unfamiliar waters, whether it's in technology or other types of stocks.

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Source Fool.com