California's “Angel of Death” Was a Notorious Killer. Then an Unlikely Team of Scientists Cracked the Case.

In October 2001 a Los Angeles County grand jury indicted Saldivar on six counts of murder and one count of attempted murder.
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Understanding Pattern Day Trader (PDT) Rules and Margin Requirements

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...