Trading in Other Securities

A J   Sun May 28, 2006 7:57 am GMT
Trading in Other Securities


Hi,
I'd like to know why there should be 'in' in the sentence.
(In here, FYI, 'securities' indicate things such as stocks, bonds and etc..)

And how does the meaning change when 'in' omitted?

I'll appreciate your answer.
Thanks~
Ant_222   Sun May 28, 2006 8:39 am GMT
Probably, after the «in» stays the place where the trading takes happens...

«Trade something» means that the «something» is an article of trade.
A J   Sun May 28, 2006 8:53 am GMT
That's why I asked the question.
'other securities' is not a place, then why is 'in'?

Doesn't 'Trading Other Securities' make more sense according to your answer?
Ant_222   Sun May 28, 2006 10:03 am GMT
Maybe it's analogical to «speaking _in_ a language»?
After the «in» is provided a kind of environment (English words and rules;the multitude of securities...)

That's just a guess, I am not a native speaker.
Glikeria   Sun May 28, 2006 10:32 am GMT
I think you don't have to look for reasons - just put up with it: "to trade" requires "in", just like hundreds ,or rather thousands, of other verbs require a definite preposition. That's how I see it.
Aquatar   Sun May 28, 2006 6:59 pm GMT
'I think you don't have to look for reasons - just put up with it: "to trade" requires "in", just like hundreds ,or rather thousands, of other verbs require a definite preposition'.

It doesn't always seem to though. For instance, you would probably say someone 'trades in antiques', but if you were talking about two kids swapping football cards, you'd say 'they traded cards'.

I think it has to do with whether you are referring to an activity of trading in general, or whether you are referrig to a specific instance. Not sure though.
Ant_222   Sun May 28, 2006 8:09 pm GMT
Ex.: «Our company is trading [in] computers»

Is «in» required or not?