The ASX 200 closed marginally lower on Thursday, surrendering early gains in a fairly lacklustre session, which at one stage was only ~0.6% from its February all-time high. The healthcare sector was the weakest on the day, with heavyweight CSL contributing the most to the index decline, decreasing 1.3%. There was some rare reversion on the stock/sector level, with gold names struggling while lithium names popped higher, not the normal EOFY tax loss selling shenanigans you would expect as we commence June: