The ASX 200 Index had a volatile start to the week, ending with a 0.061% decline to 8,791.3 points. This followed a negative end to the American trading week, with the Dow Jones Industrial Average Index dropping 0.77% and the tech-heavy Nasdaq Composite Index falling 1.4%. The Australian market's indecisiveness was reflected in the performance of various sectors. Tech shares, utilities, healthcare, mining, and gold stocks were among the losers, while energy, consumer staples, communications, industrial, and consumer discretionary shares led the way. Notably, healthcare share 4DMedical Ltd (ASX: 4DX) saw a 7.19% surge, possibly influenced by a recent announcement directing the VA to adopt 4D lung imaging. The top 10 shares countdown, a daily summary of significant stock movements, highlights the dynamic nature of the market, with companies like Deep Yellow Ltd, Yancoal Australia Ltd, and South32 Ltd also experiencing notable gains. The market's volatility underscores the importance of staying informed about sector-specific trends and individual stock performance.