Tried on Dow 30

CODE:
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Some symbols such as T, UNH, UTX, etc. return 0 float even though Yahoo website shows the data.

The website is not being parsed in this case so it's not a (solid) indication. Here's my PrintDebug log:

UNH 944963000
T 6136595000
UTX 749330000

So no parsing error in sight. Do me a favor, please click on these links, save CSV to disk, then zip and attach them for me to see:

QUOTE:
...links removed...

This should let me see if the data is formatted differently when Y! returns it to you. Maybe you're hitting a different server in CDN? Or it returns some garbage.

P.S. By the way, GetFloat resides in Community Components and is a so called 'extension method' in C#. This is why it gives an impression of a built-in WealthScript function.

Everything is back to normal. I don't know what caused it. Maybe it was a temporary glitch and I should have just waited a day or two.

Looks like a network issue. Perhaps you were hitting a server with bad data.