Bank of America strategist Michael Hartnett is signaling caution. His team's Bull & Bear Indicator has climbed to 9.4, triggering a sell signal for risk assets. This move is fueled by strong stock index breadth and bullish positioning. The data suggests markets are now in overbought territory, increasing the potential for a downturn. Investors should take note.

Hartnett suggests investors consider long positions in bonds as a hedge against deflation and to watch international assets, particularly in China. He also favors gold as protection against U.S. dollar debasement. Conversely, the firm remains bearish on the U.S. dollar and investment-grade tech credit. These views are based on current market dynamics and fund flows.

The latest fund flows show a shift toward defensive assets. Bond funds saw $17 billion in inflows, while equity funds experienced $15.4 billion of outflows. China equity funds suffered a record outflow, potentially linked to selling by the 'national team.' These shifts highlight growing investor apprehension and a move towards safer investments.

What happens next? Investors should closely monitor the Bull & Bear Indicator and fund flows for further signals. Current market conditions point to potential volatility. The firm's advice suggests a conservative approach, emphasizing diversification and hedging strategies. Increased market volatility is something to watch for in the days and weeks ahead.