Overvalued/Undervalued

	Summer Art Shopping in New York By Judd Tully The downtown magnet of the New Museum and its latest uber group exhibition, "After Nature," set the scene for the four shows and five works featured here.
	Blowouts and Bargains in Basel By Judd Tully From up-and-coming to blue-chip, five standout works on view in Basel this week.
	Rich Offerings, Some Doubts, at New York May Sales By Judd Tully With shaky economic indicators prompting whispers of the R-word, the upcoming auctions are a prime test of the market’s resilience.