According to Eric Balchunas, ETF flows are showing signs of investor anxiety, with $GLD (gold), $BIL (cash), and $SH (-1x SPX) among the top five, indicating a shift towards safety. Despite this, $VOO continues to attract cash, reflecting consistent dollar-cost averaging by Vanguard investors. However, there is a noticeable slowdown in dip buying, suggesting cautious market sentiment.