Tuesday's ETF Winners & Losers

Bundled securities tracking oil and gas services were among the best performers of a strong session Tuesday. The front-month June crude contract reversed an early loss and was recently up 54 cents to $63 a barrel.

The Ultra Oil & Gas ProShares (DIG Quote) was adding $1.41, or 1.6%, to $89.59. The Oil Service HOLDRs (OIH Quote) ETF gained $2.09, or 1.3%, to $164.40. The SPDR Oil & Gas Equipment & Services (XES Quote) ETF was recently up 38 cents, or 1.1%, to $34.93.

ETFs tracking basic materials were also higher, as aluminum giant Alcoa (AA Quote), which said last week it will acquire Canada's Alcan (AL Quote) for $27 billion, was recently adding 2.2%. The stock is now 9% higher since the deal was first announced on May 7.

The Ultra Basic Materials ProShares (UYM Quote) ETF was recently adding $1.98, or 2.3%, to $88.13. The iShares Dow Jones U.S. Basic Materials (IYM Quote) ETF was higher by 78 cents, or 1.1%, to $69.45. The Materials Select Sector SPDR (XLB Quote) was gaining 36 cents, or 0.9%, to $40.12.

The Telecom HOLDRs (TTH Quote) ETF was also higher as its two major holdings, AT&T (T Quote) and Verizon (VZ Quote), were up 1.3% and 1.7%, respectively. The ETF was gaining 48 cents, or 1.2%, to $40.02.

On the losing side, many ETFs in the HealthShares family were suffering the worst losses. The HealthShares Respiratory Pulmonary (HHR Quote) was losing 3.9% to $27.80, the HealthShares Infectious Disease (HHG Quote) ETF was off 2.6% at $26.45 and the HealthShares Neuroscience (HHN Quote) was down 2.1% at $24.48.

The B2B Internet HOLDRs (BHH Quote) ETF was also among the losers of the day again as holding Agile Software (AGIL Quote) slid 1.7%. The ETF was off 2 cents, or 1%, to $2.06.