Orange County’s retail market—which is undeniably healthy—fumbled in the second quarter. The vacancy rate quarter-over-quarter bumped up 10 basis points to 3.5% with negative net absorption of 59,165 square feet, according to the latest quarterly report from CBRE. While the second quarter saw wavering leasing activity, the Orange County market continued to show year-over-year growth with the vacancy rate down 50 basis points…