Bitcoin recently broke the $66,000 mark and the excitement among investors and traders is quite electric. The breakout of this psychological barrier of $66K has had a very major influence because the same $66K had been a major resistance point. The market holds its breath as wait for the next push, but what's next?

Analysts also pointed out that it is experiencing a big resistance around $70,000 and $75,000. Not all smooth sailing, however, as the macroeconomic environment may already see important data releases on the inflation level and interest rate decision, and global uncertainties especially with regard to the global markets. Investors want to know what will be happening in the future economic outlook of the United States, so expect this to impact the trajectory of the Bitcoin prices. Sustaining one's position might push toward $70K while pulling the price down to consolidate gains seems also possible.

The market reaction may also experience altcoin rallies as altcoins are commonly known to ride the coattails of $BTC in a bull run. Therefore, if this run holds, expect renewed interest in other altcoins, such as Ethereum and Solana.

In summary, the breakdown of $66K by $BTC bodes an exciting yet potentially volatile market in the coming weeks. Whether it is the start of an extended rally or a brief peak before retracement remains to be seen based on some key economic indicators and the internal market sentiment. Investors should gear up both for opportunities and risks as $BTC continues upward.