Complex sentence: Fundamental analysis is one of the most time consuming forms of analysis and with the fast paced trading style of the 21st century, where markets are dominated by HFT firms and day traders, it is difficult to keep up with the market in a timely fashion.
Split into simpler sentences: Fundamental analysis is one of the most time consuming forms of analysis. Furthermore, with the fast paced trading style of the 21st century, where markets are dominated by HFT firms and day traders, it is difficult to keep up with the market in a timely fashion.