Stocks stay afloat after in-line inflation data, still 'vulnerable' to further selling

U.S. stocks on Friday were holding on to gains after a mixed open, as market participants received a key inflation reading that came in-line with expectations. The three major averages seesawed after a muted start, then ticked upward. Approaching midday, the benchmark S&P 500 (SP500) was last +0.5%, while the tech-heavy Nasdaq Composite (COMP:IND) …