lighning bolt icon An icon in the shape of a lightning bolt. lighning bolt icon An icon in the shape of a lightning bolt. The broader tech, media, and telecommunications sector is one of the hottest corners of the market, and UBS shared its top picks this week. Within the S&P 500, tech stocks are up 20% year-to-date, while communications services stocks are up 22%. The calls also reflected companies where UBS had a "differentiated view" or proprietary data that supported its bullish call, analysts said.