"The Asbury 6 turned negative yesterday," says John Kosar, which indicates the market is "internally weak." The Asbury 6 are metrics Asbury Research uses to track the market, including trading volume in the SPX, corporate bond spreads, and NYSE market breadth. John says the volatility of today's market makes it harder to understand the health of the market overall. He and Oliver break down an SPX chart to understand its recent movements.