Josh Lipton takes a closer look at three of the top stories on Wall Street. The Nasdaq Composite (^IXIC) is falling, reversing earlier gains, fueled by Nvidia (NVDA). Ford (F) is reportedly facing another fire at a key aluminum supplier, according to The Wall Street Journal. Bitcoin (BTC-USD) extends its recent declines, falling to its lowest point since April. Stay up to date on the latest market action, minute-by-minute, with Yahoo Finance's Market Minute.