Week’s Best: QQQ Has Competition Now

Investors eager to own and trade the tech-heavy Nasdaq 100 stock index are getting a larger and potentially cheaper lineup of exchange-traded funds to choose from. Vanguard is adding T. Rowe Price as an advisor to three active equity funds, tasking its fellow asset manager known for its stock-picking expertise with overseeing a piece of each fund’s portfolio. Effective June 29, T. Rowe Price is serving as an advisor to the Vanguard Variable Insurance Fund—Small Company Growth Portfolio, and Vanguard Growth and Income Fund.