Cambridge Investment Research Advisors Inc. grew its holdings in shares of Vanguard S&P Mid-Cap 400 Growth ETF (NYSEARCA:IVOG) by 13.6% in the 3rd quarter, according to its most recent disclosure with the SEC. The fund owned 11,535 shares of the company’s stock after purchasing an additional 1,377 shares during the period. Cambridge Investment Research Advisors […]