Bitcoin (BTC-USD) and ethereum (ETH-USD) in midday trading Tuesday have reached multi-week highs as risk assets catch a bid. Bitcoin (BTC-USD +3.6%) is flirting with $43K and ethereum (ETH-USD +2.0%) is holding firmly above $3K key level. Both are up double-digit percentage points in the past week. Not surprisingly, speculators also appear to be expanding their risk appetite for U.S. stocks, with the S&P 500 (SP500) +1.1%, Dow Jones (DJI) +0.7% and Nasdaq (COMP.IND) +2%. The upswings come a day after Federal Reserve Chair Jerome Powell's hawkish remarks, saying the central bank will tighten its policy rate to above neutral if needed. Meanwhile, if bitcoin (BTC-USD) "breaks out past 45K while the Fed is ramping up hikes its possible to be bearish short-term," TD Ameritrade Network Lead Anchor Oliver Renick wrote in a Twitter post. It seems that bond investors are pricing in Powell's hint for the Fed to adopt a more aggressive interest-rate