The first approach is to use autocorrelators. These split an ultrashort pulse into two, and overlap the two pulses in a nonlinear medium that provides second-harmonic generation, allowing users to ...

ProShares UltraShort Bloomberg Natural Gas (NYSEARCA:KOLD – Get Free Report) was the recipient of some unusual options trading activity on Thursday. Traders bought 14,024 call options on the company.

A bumpy ride for this ultrashort fund’s riskier profile. Our research team assigns Neutral ratings to strategies they’re not confident will outperform a relevant index, or most peers ...

< The UKP workshop, the largest event in the field of ultrashort pulse laser material processing, is o ... © Fraunhofer ILT, Aachen, Germany.

Following last year’s regulatory overhaul of China’s ultrashort drama industry, the National Radio and Television Administration (NRTA) on Wednesday issued new regulations mandating tiered content ...

A bumpy ride for this ultrashort fund’s riskier profile. Our research team assigns Neutral ratings to strategies they’re not confident will outperform a relevant index, or most peers ...

UltraShort Real Estate (NYSEARCA:SRS) - $0.8828. Payable Dec 31; for shareholders of record Dec 23; ex-div Dec 23.

The Fund seeks daily investment results, before fees and expenses, that correspond to twice the inverse of the daily performance of the Dow Jones-UBS Natural Gas Subindex.

The Fund seeks to provide total return consistent with current income by investing primarily in a diversified portfolio of investment grade debt securities.

Vanguard launched two short-term fixed-income exchange-traded funds Tuesday, adding to a spate of recent ETF launches by ...