Bitcoin fell to a 15-week low, dropping below $105,000 as stress at US regional banks spilled into the crypto market, echoing the banking-driven volatility seen in 2023.Traders focused on the crucial $100,000 threshold as market sentiment turned bearish and volatility increased.Analysts warned that interconnected risks between traditional banks and crypto could prolong uncertainty, prompting investors to reassess risk and strategy.Despite the sell-off, some see the correction as a potential buying opportunity for longer-term investors amid ongoing market shifts.