The analysis focuses on QQQ, SPY, and BRKB. For QQQ, the bullish scenario is maintained if support at 591 and 585 holds. Breaking this support targets 566. Resistance is noted at 607-609. SPY mirrors this, targeting a new all-time high at 668, but failure to hold support at 655 targets 640. If price break through 668, expect the price to trend to 678. XLV is anticipated to increase if resistance near 140 breaks, targeting 143-144. A pullback holding above 136 will create a higher low before continuing upwards. BRKB requires a breakout above 507 to push towards 535, with support around 488-489.